Home / 105,285.07-157,944.01-63,155.25

Finding the Fourth Proportional to 105,285.07, 157,944.01 and 63,155.25

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Solution

The fourth proportional to 105,285.07, 157,944.01 and 63,155.25 is: 94,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,285.07 : 157,944.01 = 63,155.25 : x
  2. Step 2: Convert to fraction form
    105,285.07/157,944.01 = 63,155.25/x
  3. Step 3: Cross multiply
    105,285.07x = 157,944.01 × 63,155.25
  4. Step 4: Simplify right side
    105,285.07x = 9,974,993,437.55
  5. Step 5: Solve for x
    x = 9,974,993,437.55/105,285.07
  6. Step 6: Final answer
    x = 94,742.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.