Home / 134,113.65-185,158.13-88,830.45

Finding the Fourth Proportional to 134,113.65, 185,158.13 and 88,830.45

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Solution

The fourth proportional to 134,113.65, 185,158.13 and 88,830.45 is: 122,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,113.65 : 185,158.13 = 88,830.45 : x
  2. Step 2: Convert to fraction form
    134,113.65/185,158.13 = 88,830.45/x
  3. Step 3: Cross multiply
    134,113.65x = 185,158.13 × 88,830.45
  4. Step 4: Simplify right side
    134,113.65x = 16,447,679,564.91
  5. Step 5: Solve for x
    x = 16,447,679,564.91/134,113.65
  6. Step 6: Final answer
    x = 122,639.86

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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.