Home / 109,874.96-151,652.20-64,567.50

Finding the Fourth Proportional to 109,874.96, 151,652.20 and 64,567.50

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Solution

The fourth proportional to 109,874.96, 151,652.20 and 64,567.50 is: 89,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,874.96 : 151,652.20 = 64,567.50 : x
  2. Step 2: Convert to fraction form
    109,874.96/151,652.20 = 64,567.50/x
  3. Step 3: Cross multiply
    109,874.96x = 151,652.20 × 64,567.50
  4. Step 4: Simplify right side
    109,874.96x = 9,791,803,423.50
  5. Step 5: Solve for x
    x = 9,791,803,423.50/109,874.96
  6. Step 6: Final answer
    x = 89,117.70

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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.