Home / 160,848.48-221,971.50-89,228.28

Finding the Fourth Proportional to 160,848.48, 221,971.50 and 89,228.28

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Solution

The fourth proportional to 160,848.48, 221,971.50 and 89,228.28 is: 123,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,848.48 : 221,971.50 = 89,228.28 : x
  2. Step 2: Convert to fraction form
    160,848.48/221,971.50 = 89,228.28/x
  3. Step 3: Cross multiply
    160,848.48x = 221,971.50 × 89,228.28
  4. Step 4: Simplify right side
    160,848.48x = 19,806,135,154.02
  5. Step 5: Solve for x
    x = 19,806,135,154.02/160,848.48
  6. Step 6: Final answer
    x = 123,135.36

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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.