Home / 156,430.14-216,051.78-106,041.66

Finding the Fourth Proportional to 156,430.14, 216,051.78 and 106,041.66

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Solution

The fourth proportional to 156,430.14, 216,051.78 and 106,041.66 is: 146,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,430.14 : 216,051.78 = 106,041.66 : x
  2. Step 2: Convert to fraction form
    156,430.14/216,051.78 = 106,041.66/x
  3. Step 3: Cross multiply
    156,430.14x = 216,051.78 × 106,041.66
  4. Step 4: Simplify right side
    156,430.14x = 22,910,489,397.15
  5. Step 5: Solve for x
    x = 22,910,489,397.15/156,430.14
  6. Step 6: Final answer
    x = 146,458.28

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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.