Home / 105,232.24-145,230.50-57,492.76

Finding the Fourth Proportional to 105,232.24, 145,230.50 and 57,492.76

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Solution

The fourth proportional to 105,232.24, 145,230.50 and 57,492.76 is: 79,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,232.24 : 145,230.50 = 57,492.76 : x
  2. Step 2: Convert to fraction form
    105,232.24/145,230.50 = 57,492.76/x
  3. Step 3: Cross multiply
    105,232.24x = 145,230.50 × 57,492.76
  4. Step 4: Simplify right side
    105,232.24x = 8,349,702,281.18
  5. Step 5: Solve for x
    x = 8,349,702,281.18/105,232.24
  6. Step 6: Final answer
    x = 79,345.48

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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.