Home / 113,865.40-157,154.93-67,928.07

Finding the Fourth Proportional to 113,865.40, 157,154.93 and 67,928.07

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Solution

The fourth proportional to 113,865.40, 157,154.93 and 67,928.07 is: 93,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,865.40 : 157,154.93 = 67,928.07 : x
  2. Step 2: Convert to fraction form
    113,865.40/157,154.93 = 67,928.07/x
  3. Step 3: Cross multiply
    113,865.40x = 157,154.93 × 67,928.07
  4. Step 4: Simplify right side
    113,865.40x = 10,675,231,088.40
  5. Step 5: Solve for x
    x = 10,675,231,088.40/113,865.40
  6. Step 6: Final answer
    x = 93,753.08

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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.