Home / 162,254.28-243,381.59-42,311.13

Finding the Fourth Proportional to 162,254.28, 243,381.59 and 42,311.13

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Solution

The fourth proportional to 162,254.28, 243,381.59 and 42,311.13 is: 63,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,254.28 : 243,381.59 = 42,311.13 : x
  2. Step 2: Convert to fraction form
    162,254.28/243,381.59 = 42,311.13/x
  3. Step 3: Cross multiply
    162,254.28x = 243,381.59 × 42,311.13
  4. Step 4: Simplify right side
    162,254.28x = 10,297,750,094.10
  5. Step 5: Solve for x
    x = 10,297,750,094.10/162,254.28
  6. Step 6: Final answer
    x = 63,466.74

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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.