Home / 115,065.51-158,752.35-67,285.04

Finding the Fourth Proportional to 115,065.51, 158,752.35 and 67,285.04

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Solution

The fourth proportional to 115,065.51, 158,752.35 and 67,285.04 is: 92,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,065.51 : 158,752.35 = 67,285.04 : x
  2. Step 2: Convert to fraction form
    115,065.51/158,752.35 = 67,285.04/x
  3. Step 3: Cross multiply
    115,065.51x = 158,752.35 × 67,285.04
  4. Step 4: Simplify right side
    115,065.51x = 10,681,657,426.08
  5. Step 5: Solve for x
    x = 10,681,657,426.08/115,065.51
  6. Step 6: Final answer
    x = 92,831.10

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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.