Home / 197,929.02-272,965.55-154,332.24

Finding the Fourth Proportional to 197,929.02, 272,965.55 and 154,332.24

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Solution

The fourth proportional to 197,929.02, 272,965.55 and 154,332.24 is: 212,840.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,929.02 : 272,965.55 = 154,332.24 : x
  2. Step 2: Convert to fraction form
    197,929.02/272,965.55 = 154,332.24/x
  3. Step 3: Cross multiply
    197,929.02x = 272,965.55 × 154,332.24
  4. Step 4: Simplify right side
    197,929.02x = 42,127,382,979.05
  5. Step 5: Solve for x
    x = 42,127,382,979.05/197,929.02
  6. Step 6: Final answer
    x = 212,840.86

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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.