Home / 173,353.18-239,156.16-105,359.20

Finding the Fourth Proportional to 173,353.18, 239,156.16 and 105,359.20

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Solution

The fourth proportional to 173,353.18, 239,156.16 and 105,359.20 is: 145,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,353.18 : 239,156.16 = 105,359.20 : x
  2. Step 2: Convert to fraction form
    173,353.18/239,156.16 = 105,359.20/x
  3. Step 3: Cross multiply
    173,353.18x = 239,156.16 × 105,359.20
  4. Step 4: Simplify right side
    173,353.18x = 25,197,301,692.67
  5. Step 5: Solve for x
    x = 25,197,301,692.67/173,353.18
  6. Step 6: Final answer
    x = 145,352.41

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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.