Home / 142,587.20-213,837.58-59,461.76

Finding the Fourth Proportional to 142,587.20, 213,837.58 and 59,461.76

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Solution

The fourth proportional to 142,587.20, 213,837.58 and 59,461.76 is: 89,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,587.20 : 213,837.58 = 59,461.76 : x
  2. Step 2: Convert to fraction form
    142,587.20/213,837.58 = 59,461.76/x
  3. Step 3: Cross multiply
    142,587.20x = 213,837.58 × 59,461.76
  4. Step 4: Simplify right side
    142,587.20x = 12,715,158,860.94
  5. Step 5: Solve for x
    x = 12,715,158,860.94/142,587.20
  6. Step 6: Final answer
    x = 89,174.62

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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.