Home / 113,210.70-156,182.31-70,695.42

Finding the Fourth Proportional to 113,210.70, 156,182.31 and 70,695.42

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Solution

The fourth proportional to 113,210.70, 156,182.31 and 70,695.42 is: 97,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,210.70 : 156,182.31 = 70,695.42 : x
  2. Step 2: Convert to fraction form
    113,210.70/156,182.31 = 70,695.42/x
  3. Step 3: Cross multiply
    113,210.70x = 156,182.31 × 70,695.42
  4. Step 4: Simplify right side
    113,210.70x = 11,041,374,002.02
  5. Step 5: Solve for x
    x = 11,041,374,002.02/113,210.70
  6. Step 6: Final answer
    x = 97,529.42

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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.