Home / 106,061.04-146,403.60-70,262.70

Finding the Fourth Proportional to 106,061.04, 146,403.60 and 70,262.70

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Solution

The fourth proportional to 106,061.04, 146,403.60 and 70,262.70 is: 96,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,061.04 : 146,403.60 = 70,262.70 : x
  2. Step 2: Convert to fraction form
    106,061.04/146,403.60 = 70,262.70/x
  3. Step 3: Cross multiply
    106,061.04x = 146,403.60 × 70,262.70
  4. Step 4: Simplify right side
    106,061.04x = 10,286,712,225.72
  5. Step 5: Solve for x
    x = 10,286,712,225.72/106,061.04
  6. Step 6: Final answer
    x = 96,988.60

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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.