Home / 113,656.08-156,814.63-64,597.02

Finding the Fourth Proportional to 113,656.08, 156,814.63 and 64,597.02

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Solution

The fourth proportional to 113,656.08, 156,814.63 and 64,597.02 is: 89,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,656.08 : 156,814.63 = 64,597.02 : x
  2. Step 2: Convert to fraction form
    113,656.08/156,814.63 = 64,597.02/x
  3. Step 3: Cross multiply
    113,656.08x = 156,814.63 × 64,597.02
  4. Step 4: Simplify right side
    113,656.08x = 10,129,757,040.86
  5. Step 5: Solve for x
    x = 10,129,757,040.86/113,656.08
  6. Step 6: Final answer
    x = 89,126.40

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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.