Home / 117,864.90-162,657.04-64,153.39

Finding the Fourth Proportional to 117,864.90, 162,657.04 and 64,153.39

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Solution

The fourth proportional to 117,864.90, 162,657.04 and 64,153.39 is: 88,533.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,864.90 : 162,657.04 = 64,153.39 : x
  2. Step 2: Convert to fraction form
    117,864.90/162,657.04 = 64,153.39/x
  3. Step 3: Cross multiply
    117,864.90x = 162,657.04 × 64,153.39
  4. Step 4: Simplify right side
    117,864.90x = 10,435,000,523.37
  5. Step 5: Solve for x
    x = 10,435,000,523.37/117,864.90
  6. Step 6: Final answer
    x = 88,533.57

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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.