Home / 111,594.41-154,130.19-93,510.65

Finding the Fourth Proportional to 111,594.41, 154,130.19 and 93,510.65

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Solution

The fourth proportional to 111,594.41, 154,130.19 and 93,510.65 is: 129,153.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,594.41 : 154,130.19 = 93,510.65 : x
  2. Step 2: Convert to fraction form
    111,594.41/154,130.19 = 93,510.65/x
  3. Step 3: Cross multiply
    111,594.41x = 154,130.19 × 93,510.65
  4. Step 4: Simplify right side
    111,594.41x = 14,412,814,812.18
  5. Step 5: Solve for x
    x = 14,412,814,812.18/111,594.41
  6. Step 6: Final answer
    x = 129,153.56

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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.