Home / 186,688.03-257,648.93-115,066.21

Finding the Fourth Proportional to 186,688.03, 257,648.93 and 115,066.21

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Solution

The fourth proportional to 186,688.03, 257,648.93 and 115,066.21 is: 158,803.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688.03 : 257,648.93 = 115,066.21 : x
  2. Step 2: Convert to fraction form
    186,688.03/257,648.93 = 115,066.21/x
  3. Step 3: Cross multiply
    186,688.03x = 257,648.93 × 115,066.21
  4. Step 4: Simplify right side
    186,688.03x = 29,646,685,885.66
  5. Step 5: Solve for x
    x = 29,646,685,885.66/186,688.03
  6. Step 6: Final answer
    x = 158,803.36

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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.