Home / 140,304.13-193,683.42-89,386.67

Finding the Fourth Proportional to 140,304.13, 193,683.42 and 89,386.67

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Solution

The fourth proportional to 140,304.13, 193,683.42 and 89,386.67 is: 123,394.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.13 : 193,683.42 = 89,386.67 : x
  2. Step 2: Convert to fraction form
    140,304.13/193,683.42 = 89,386.67/x
  3. Step 3: Cross multiply
    140,304.13x = 193,683.42 × 89,386.67
  4. Step 4: Simplify right side
    140,304.13x = 17,312,716,432.22
  5. Step 5: Solve for x
    x = 17,312,716,432.22/140,304.13
  6. Step 6: Final answer
    x = 123,394.21

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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.