Home / 113,094.63-156,001.14-81,306.18

Finding the Fourth Proportional to 113,094.63, 156,001.14 and 81,306.18

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Solution

The fourth proportional to 113,094.63, 156,001.14 and 81,306.18 is: 112,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,094.63 : 156,001.14 = 81,306.18 : x
  2. Step 2: Convert to fraction form
    113,094.63/156,001.14 = 81,306.18/x
  3. Step 3: Cross multiply
    113,094.63x = 156,001.14 × 81,306.18
  4. Step 4: Simplify right side
    113,094.63x = 12,683,856,769.05
  5. Step 5: Solve for x
    x = 12,683,856,769.05/113,094.63
  6. Step 6: Final answer
    x = 112,152.60

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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.