Home / 118,214.19-163,132.41-64,499.19

Finding the Fourth Proportional to 118,214.19, 163,132.41 and 64,499.19

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Solution

The fourth proportional to 118,214.19, 163,132.41 and 64,499.19 is: 89,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.19 : 163,132.41 = 64,499.19 : x
  2. Step 2: Convert to fraction form
    118,214.19/163,132.41 = 64,499.19/x
  3. Step 3: Cross multiply
    118,214.19x = 163,132.41 × 64,499.19
  4. Step 4: Simplify right side
    118,214.19x = 10,521,908,307.75
  5. Step 5: Solve for x
    x = 10,521,908,307.75/118,214.19
  6. Step 6: Final answer
    x = 89,007.15

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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.