Home / 160,445.84-221,417-88,827.04

Finding the Fourth Proportional to 160,445.84, 221,417 and 88,827.04

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Solution

The fourth proportional to 160,445.84, 221,417 and 88,827.04 is: 122,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,445.84 : 221,417 = 88,827.04 : x
  2. Step 2: Convert to fraction form
    160,445.84/221,417 = 88,827.04/x
  3. Step 3: Cross multiply
    160,445.84x = 221,417 × 88,827.04
  4. Step 4: Simplify right side
    160,445.84x = 19,667,816,715.68
  5. Step 5: Solve for x
    x = 19,667,816,715.68/160,445.84
  6. Step 6: Final answer
    x = 122,582.28

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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.