Home / 160,775.03-221,878.40-89,153.52

Finding the Fourth Proportional to 160,775.03, 221,878.40 and 89,153.52

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Solution

The fourth proportional to 160,775.03, 221,878.40 and 89,153.52 is: 123,036.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,775.03 : 221,878.40 = 89,153.52 : x
  2. Step 2: Convert to fraction form
    160,775.03/221,878.40 = 89,153.52/x
  3. Step 3: Cross multiply
    160,775.03x = 221,878.40 × 89,153.52
  4. Step 4: Simplify right side
    160,775.03x = 19,781,239,926.20
  5. Step 5: Solve for x
    x = 19,781,239,926.20/160,775.03
  6. Step 6: Final answer
    x = 123,036.77

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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.