Home / 153,557.64-211,909.75-85,573.13

Finding the Fourth Proportional to 153,557.64, 211,909.75 and 85,573.13

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Solution

The fourth proportional to 153,557.64, 211,909.75 and 85,573.13 is: 118,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,557.64 : 211,909.75 = 85,573.13 : x
  2. Step 2: Convert to fraction form
    153,557.64/211,909.75 = 85,573.13/x
  3. Step 3: Cross multiply
    153,557.64x = 211,909.75 × 85,573.13
  4. Step 4: Simplify right side
    153,557.64x = 18,133,780,585.02
  5. Step 5: Solve for x
    x = 18,133,780,585.02/153,557.64
  6. Step 6: Final answer
    x = 118,091.03

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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.