Home / 113,928.18-157,216.11-65,526.45

Finding the Fourth Proportional to 113,928.18, 157,216.11 and 65,526.45

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Solution

The fourth proportional to 113,928.18, 157,216.11 and 65,526.45 is: 90,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,928.18 : 157,216.11 = 65,526.45 : x
  2. Step 2: Convert to fraction form
    113,928.18/157,216.11 = 65,526.45/x
  3. Step 3: Cross multiply
    113,928.18x = 157,216.11 × 65,526.45
  4. Step 4: Simplify right side
    113,928.18x = 10,301,813,571.11
  5. Step 5: Solve for x
    x = 10,301,813,571.11/113,928.18
  6. Step 6: Final answer
    x = 90,423.75

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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.