Home / 115,444.74-159,312.22-64,458.34

Finding the Fourth Proportional to 115,444.74, 159,312.22 and 64,458.34

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Solution

The fourth proportional to 115,444.74, 159,312.22 and 64,458.34 is: 88,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.74 : 159,312.22 = 64,458.34 : x
  2. Step 2: Convert to fraction form
    115,444.74/159,312.22 = 64,458.34/x
  3. Step 3: Cross multiply
    115,444.74x = 159,312.22 × 64,458.34
  4. Step 4: Simplify right side
    115,444.74x = 10,269,001,242.91
  5. Step 5: Solve for x
    x = 10,269,001,242.91/115,444.74
  6. Step 6: Final answer
    x = 88,951.66

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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.