Home / 118,422.68-163,532.42-76,055.02

Finding the Fourth Proportional to 118,422.68, 163,532.42 and 76,055.02

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Solution

The fourth proportional to 118,422.68, 163,532.42 and 76,055.02 is: 105,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,422.68 : 163,532.42 = 76,055.02 : x
  2. Step 2: Convert to fraction form
    118,422.68/163,532.42 = 76,055.02/x
  3. Step 3: Cross multiply
    118,422.68x = 163,532.42 × 76,055.02
  4. Step 4: Simplify right side
    118,422.68x = 12,437,461,473.75
  5. Step 5: Solve for x
    x = 12,437,461,473.75/118,422.68
  6. Step 6: Final answer
    x = 105,026.01

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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.