Home / 186,316.66-257,123.28-104,659.36

Finding the Fourth Proportional to 186,316.66, 257,123.28 and 104,659.36

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Solution

The fourth proportional to 186,316.66, 257,123.28 and 104,659.36 is: 144,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,316.66 : 257,123.28 = 104,659.36 : x
  2. Step 2: Convert to fraction form
    186,316.66/257,123.28 = 104,659.36/x
  3. Step 3: Cross multiply
    186,316.66x = 257,123.28 × 104,659.36
  4. Step 4: Simplify right side
    186,316.66x = 26,910,357,925.90
  5. Step 5: Solve for x
    x = 26,910,357,925.90/186,316.66
  6. Step 6: Final answer
    x = 144,433.45

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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.