Home / 257,280.32-355,036.56-144,097.28

Finding the Fourth Proportional to 257,280.32, 355,036.56 and 144,097.28

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Solution

The fourth proportional to 257,280.32, 355,036.56 and 144,097.28 is: 198,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,280.32 : 355,036.56 = 144,097.28 : x
  2. Step 2: Convert to fraction form
    257,280.32/355,036.56 = 144,097.28/x
  3. Step 3: Cross multiply
    257,280.32x = 355,036.56 × 144,097.28
  4. Step 4: Simplify right side
    257,280.32x = 51,159,802,596.56
  5. Step 5: Solve for x
    x = 51,159,802,596.56/257,280.32
  6. Step 6: Final answer
    x = 198,848.49

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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.