Home / 118,421.24-163,422.46-64,706.25

Finding the Fourth Proportional to 118,421.24, 163,422.46 and 64,706.25

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Solution

The fourth proportional to 118,421.24, 163,422.46 and 64,706.25 is: 89,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,421.24 : 163,422.46 = 64,706.25 : x
  2. Step 2: Convert to fraction form
    118,421.24/163,422.46 = 64,706.25/x
  3. Step 3: Cross multiply
    118,421.24x = 163,422.46 × 64,706.25
  4. Step 4: Simplify right side
    118,421.24x = 10,574,454,552.38
  5. Step 5: Solve for x
    x = 10,574,454,552.38/118,421.24
  6. Step 6: Final answer
    x = 89,295.25

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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.