Home / 129,730.08-194,618.64-58,686.18

Finding the Fourth Proportional to 129,730.08, 194,618.64 and 58,686.18

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Solution

The fourth proportional to 129,730.08, 194,618.64 and 58,686.18 is: 88,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,730.08 : 194,618.64 = 58,686.18 : x
  2. Step 2: Convert to fraction form
    129,730.08/194,618.64 = 58,686.18/x
  3. Step 3: Cross multiply
    129,730.08x = 194,618.64 × 58,686.18
  4. Step 4: Simplify right side
    129,730.08x = 11,421,424,538.40
  5. Step 5: Solve for x
    x = 11,421,424,538.40/129,730.08
  6. Step 6: Final answer
    x = 88,039.91

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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.