Home / 113,346.80-156,412.32-63,042.56

Finding the Fourth Proportional to 113,346.80, 156,412.32 and 63,042.56

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Solution

The fourth proportional to 113,346.80, 156,412.32 and 63,042.56 is: 86,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.80 : 156,412.32 = 63,042.56 : x
  2. Step 2: Convert to fraction form
    113,346.80/156,412.32 = 63,042.56/x
  3. Step 3: Cross multiply
    113,346.80x = 156,412.32 × 63,042.56
  4. Step 4: Simplify right side
    113,346.80x = 9,860,633,068.34
  5. Step 5: Solve for x
    x = 9,860,633,068.34/113,346.80
  6. Step 6: Final answer
    x = 86,995.25

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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.