Home / 153,834.32-212,387.46-117,955.40

Finding the Fourth Proportional to 153,834.32, 212,387.46 and 117,955.40

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Solution

The fourth proportional to 153,834.32, 212,387.46 and 117,955.40 is: 162,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,834.32 : 212,387.46 = 117,955.40 : x
  2. Step 2: Convert to fraction form
    153,834.32/212,387.46 = 117,955.40/x
  3. Step 3: Cross multiply
    153,834.32x = 212,387.46 × 117,955.40
  4. Step 4: Simplify right side
    153,834.32x = 25,052,247,799.28
  5. Step 5: Solve for x
    x = 25,052,247,799.28/153,834.32
  6. Step 6: Final answer
    x = 162,852.14

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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.