Home / 159,031.20-238,545.12-40,701.60

Finding the Fourth Proportional to 159,031.20, 238,545.12 and 40,701.60

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Solution

The fourth proportional to 159,031.20, 238,545.12 and 40,701.60 is: 61,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,031.20 : 238,545.12 = 40,701.60 : x
  2. Step 2: Convert to fraction form
    159,031.20/238,545.12 = 40,701.60/x
  3. Step 3: Cross multiply
    159,031.20x = 238,545.12 × 40,701.60
  4. Step 4: Simplify right side
    159,031.20x = 9,709,168,056.19
  5. Step 5: Solve for x
    x = 9,709,168,056.19/159,031.20
  6. Step 6: Final answer
    x = 61,051.97

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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.