Home / 118,314.12-163,273.77-64,599.15

Finding the Fourth Proportional to 118,314.12, 163,273.77 and 64,599.15

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Solution

The fourth proportional to 118,314.12, 163,273.77 and 64,599.15 is: 89,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,314.12 : 163,273.77 = 64,599.15 : x
  2. Step 2: Convert to fraction form
    118,314.12/163,273.77 = 64,599.15/x
  3. Step 3: Cross multiply
    118,314.12x = 163,273.77 × 64,599.15
  4. Step 4: Simplify right side
    118,314.12x = 10,547,346,759.30
  5. Step 5: Solve for x
    x = 10,547,346,759.30/118,314.12
  6. Step 6: Final answer
    x = 89,146.98

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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.