Home / 223,302.08-308,156.80-122,706.56

Finding the Fourth Proportional to 223,302.08, 308,156.80 and 122,706.56

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Solution

The fourth proportional to 223,302.08, 308,156.80 and 122,706.56 is: 169,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,302.08 : 308,156.80 = 122,706.56 : x
  2. Step 2: Convert to fraction form
    223,302.08/308,156.80 = 122,706.56/x
  3. Step 3: Cross multiply
    223,302.08x = 308,156.80 × 122,706.56
  4. Step 4: Simplify right side
    223,302.08x = 37,812,860,868.61
  5. Step 5: Solve for x
    x = 37,812,860,868.61/223,302.08
  6. Step 6: Final answer
    x = 169,335.01

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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.