Home / 157,471.10-235,630.65-115,999.10

Finding the Fourth Proportional to 157,471.10, 235,630.65 and 115,999.10

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Solution

The fourth proportional to 157,471.10, 235,630.65 and 115,999.10 is: 173,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,471.10 : 235,630.65 = 115,999.10 : x
  2. Step 2: Convert to fraction form
    157,471.10/235,630.65 = 115,999.10/x
  3. Step 3: Cross multiply
    157,471.10x = 235,630.65 × 115,999.10
  4. Step 4: Simplify right side
    157,471.10x = 27,332,943,332.42
  5. Step 5: Solve for x
    x = 27,332,943,332.42/157,471.10
  6. Step 6: Final answer
    x = 173,574.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.