Home / 118,117.17-162,995.63-64,402.29

Finding the Fourth Proportional to 118,117.17, 162,995.63 and 64,402.29

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Solution

The fourth proportional to 118,117.17, 162,995.63 and 64,402.29 is: 88,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.17 : 162,995.63 = 64,402.29 : x
  2. Step 2: Convert to fraction form
    118,117.17/162,995.63 = 64,402.29/x
  3. Step 3: Cross multiply
    118,117.17x = 162,995.63 × 64,402.29
  4. Step 4: Simplify right side
    118,117.17x = 10,497,291,509.98
  5. Step 5: Solve for x
    x = 10,497,291,509.98/118,117.17
  6. Step 6: Final answer
    x = 88,871.85

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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.