Home / 160,332.68-221,162.71-105,885.35

Finding the Fourth Proportional to 160,332.68, 221,162.71 and 105,885.35

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Solution

The fourth proportional to 160,332.68, 221,162.71 and 105,885.35 is: 146,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,332.68 : 221,162.71 = 105,885.35 : x
  2. Step 2: Convert to fraction form
    160,332.68/221,162.71 = 105,885.35/x
  3. Step 3: Cross multiply
    160,332.68x = 221,162.71 × 105,885.35
  4. Step 4: Simplify right side
    160,332.68x = 23,417,890,955.30
  5. Step 5: Solve for x
    x = 23,417,890,955.30/160,332.68
  6. Step 6: Final answer
    x = 146,058.13

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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.