Home / 115,304.11-159,117.01-64,316.03

Finding the Fourth Proportional to 115,304.11, 159,117.01 and 64,316.03

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Solution

The fourth proportional to 115,304.11, 159,117.01 and 64,316.03 is: 88,754.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,304.11 : 159,117.01 = 64,316.03 : x
  2. Step 2: Convert to fraction form
    115,304.11/159,117.01 = 64,316.03/x
  3. Step 3: Cross multiply
    115,304.11x = 159,117.01 × 64,316.03
  4. Step 4: Simplify right side
    115,304.11x = 10,233,773,432.30
  5. Step 5: Solve for x
    x = 10,233,773,432.30/115,304.11
  6. Step 6: Final answer
    x = 88,754.63

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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.