Home / 160,208.96-221,184.29-99,861.35

Finding the Fourth Proportional to 160,208.96, 221,184.29 and 99,861.35

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Solution

The fourth proportional to 160,208.96, 221,184.29 and 99,861.35 is: 137,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,208.96 : 221,184.29 = 99,861.35 : x
  2. Step 2: Convert to fraction form
    160,208.96/221,184.29 = 99,861.35/x
  3. Step 3: Cross multiply
    160,208.96x = 221,184.29 × 99,861.35
  4. Step 4: Simplify right side
    160,208.96x = 22,087,760,941.92
  5. Step 5: Solve for x
    x = 22,087,760,941.92/160,208.96
  6. Step 6: Final answer
    x = 137,868.45

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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.