Home / 145,498.08-218,237.28-56,735.04

Finding the Fourth Proportional to 145,498.08, 218,237.28 and 56,735.04

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Solution

The fourth proportional to 145,498.08, 218,237.28 and 56,735.04 is: 85,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,498.08 : 218,237.28 = 56,735.04 : x
  2. Step 2: Convert to fraction form
    145,498.08/218,237.28 = 56,735.04/x
  3. Step 3: Cross multiply
    145,498.08x = 218,237.28 × 56,735.04
  4. Step 4: Simplify right side
    145,498.08x = 12,381,700,810.29
  5. Step 5: Solve for x
    x = 12,381,700,810.29/145,498.08
  6. Step 6: Final answer
    x = 85,098.72

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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.