Home / 157,734.72-217,675.04-86,116.16

Finding the Fourth Proportional to 157,734.72, 217,675.04 and 86,116.16

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Solution

The fourth proportional to 157,734.72, 217,675.04 and 86,116.16 is: 118,840.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,734.72 : 217,675.04 = 86,116.16 : x
  2. Step 2: Convert to fraction form
    157,734.72/217,675.04 = 86,116.16/x
  3. Step 3: Cross multiply
    157,734.72x = 217,675.04 × 86,116.16
  4. Step 4: Simplify right side
    157,734.72x = 18,745,338,572.65
  5. Step 5: Solve for x
    x = 18,745,338,572.65/157,734.72
  6. Step 6: Final answer
    x = 118,840.92

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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.