Home / 160,689.42-221,762.07-89,072.46

Finding the Fourth Proportional to 160,689.42, 221,762.07 and 89,072.46

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Solution

The fourth proportional to 160,689.42, 221,762.07 and 89,072.46 is: 122,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,689.42 : 221,762.07 = 89,072.46 : x
  2. Step 2: Convert to fraction form
    160,689.42/221,762.07 = 89,072.46/x
  3. Step 3: Cross multiply
    160,689.42x = 221,762.07 × 89,072.46
  4. Step 4: Simplify right side
    160,689.42x = 19,752,893,109.59
  5. Step 5: Solve for x
    x = 19,752,893,109.59/160,689.42
  6. Step 6: Final answer
    x = 122,925.91

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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.