Home / 160,853.84-221,970.48-89,227.52

Finding the Fourth Proportional to 160,853.84, 221,970.48 and 89,227.52

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Solution

The fourth proportional to 160,853.84, 221,970.48 and 89,227.52 is: 123,129.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,853.84 : 221,970.48 = 89,227.52 : x
  2. Step 2: Convert to fraction form
    160,853.84/221,970.48 = 89,227.52/x
  3. Step 3: Cross multiply
    160,853.84x = 221,970.48 × 89,227.52
  4. Step 4: Simplify right side
    160,853.84x = 19,805,875,443.61
  5. Step 5: Solve for x
    x = 19,805,875,443.61/160,853.84
  6. Step 6: Final answer
    x = 123,129.64

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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.