Home / 197,487.84-272,526.48-112,632.24

Finding the Fourth Proportional to 197,487.84, 272,526.48 and 112,632.24

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Solution

The fourth proportional to 197,487.84, 272,526.48 and 112,632.24 is: 155,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,487.84 : 272,526.48 = 112,632.24 : x
  2. Step 2: Convert to fraction form
    197,487.84/272,526.48 = 112,632.24/x
  3. Step 3: Cross multiply
    197,487.84x = 272,526.48 × 112,632.24
  4. Step 4: Simplify right side
    197,487.84x = 30,695,267,901.72
  5. Step 5: Solve for x
    x = 30,695,267,901.72/197,487.84
  6. Step 6: Final answer
    x = 155,428.65

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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.