Home / 118,518.64-163,549.04-64,793.68

Finding the Fourth Proportional to 118,518.64, 163,549.04 and 64,793.68

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Solution

The fourth proportional to 118,518.64, 163,549.04 and 64,793.68 is: 89,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,518.64 : 163,549.04 = 64,793.68 : x
  2. Step 2: Convert to fraction form
    118,518.64/163,549.04 = 64,793.68/x
  3. Step 3: Cross multiply
    118,518.64x = 163,549.04 × 64,793.68
  4. Step 4: Simplify right side
    118,518.64x = 10,596,944,162.07
  5. Step 5: Solve for x
    x = 10,596,944,162.07/118,518.64
  6. Step 6: Final answer
    x = 89,411.62

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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.