Home / 153,934.05-212,426.94-85,952.16

Finding the Fourth Proportional to 153,934.05, 212,426.94 and 85,952.16

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Solution

The fourth proportional to 153,934.05, 212,426.94 and 85,952.16 is: 118,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,934.05 : 212,426.94 = 85,952.16 : x
  2. Step 2: Convert to fraction form
    153,934.05/212,426.94 = 85,952.16/x
  3. Step 3: Cross multiply
    153,934.05x = 212,426.94 × 85,952.16
  4. Step 4: Simplify right side
    153,934.05x = 18,258,554,335.19
  5. Step 5: Solve for x
    x = 18,258,554,335.19/153,934.05
  6. Step 6: Final answer
    x = 118,612.84

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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.