Home / 160,875.45-222,034.77-89,278.47

Finding the Fourth Proportional to 160,875.45, 222,034.77 and 89,278.47

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Solution

The fourth proportional to 160,875.45, 222,034.77 and 89,278.47 is: 123,219.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,875.45 : 222,034.77 = 89,278.47 : x
  2. Step 2: Convert to fraction form
    160,875.45/222,034.77 = 89,278.47/x
  3. Step 3: Cross multiply
    160,875.45x = 222,034.77 × 89,278.47
  4. Step 4: Simplify right side
    160,875.45x = 19,822,924,552.40
  5. Step 5: Solve for x
    x = 19,822,924,552.40/160,875.45
  6. Step 6: Final answer
    x = 123,219.08

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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.