Home / 153,569.62-211,943.28-85,592.80

Finding the Fourth Proportional to 153,569.62, 211,943.28 and 85,592.80

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Solution

The fourth proportional to 153,569.62, 211,943.28 and 85,592.80 is: 118,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,569.62 : 211,943.28 = 85,592.80 : x
  2. Step 2: Convert to fraction form
    153,569.62/211,943.28 = 85,592.80/x
  3. Step 3: Cross multiply
    153,569.62x = 211,943.28 × 85,592.80
  4. Step 4: Simplify right side
    153,569.62x = 18,140,819,362.29
  5. Step 5: Solve for x
    x = 18,140,819,362.29/153,569.62
  6. Step 6: Final answer
    x = 118,127.66

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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.