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Finding the Fourth Proportional to 186,881.23, 257,925.63 and 118,827.26

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Solution

The fourth proportional to 186,881.23, 257,925.63 and 118,827.26 is: 164,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,881.23 : 257,925.63 = 118,827.26 : x
  2. Step 2: Convert to fraction form
    186,881.23/257,925.63 = 118,827.26/x
  3. Step 3: Cross multiply
    186,881.23x = 257,925.63 × 118,827.26
  4. Step 4: Simplify right side
    186,881.23x = 30,648,595,896.67
  5. Step 5: Solve for x
    x = 30,648,595,896.67/186,881.23
  6. Step 6: Final answer
    x = 164,000.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.