Home / 157,730.23-217,686.82-89,763.74

Finding the Fourth Proportional to 157,730.23, 217,686.82 and 89,763.74

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Solution

The fourth proportional to 157,730.23, 217,686.82 and 89,763.74 is: 123,884.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,730.23 : 217,686.82 = 89,763.74 : x
  2. Step 2: Convert to fraction form
    157,730.23/217,686.82 = 89,763.74/x
  3. Step 3: Cross multiply
    157,730.23x = 217,686.82 × 89,763.74
  4. Step 4: Simplify right side
    157,730.23x = 19,540,381,574.65
  5. Step 5: Solve for x
    x = 19,540,381,574.65/157,730.23
  6. Step 6: Final answer
    x = 123,884.82

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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.