Home / 229,557.60-316,698.78-132,743.64

Finding the Fourth Proportional to 229,557.60, 316,698.78 and 132,743.64

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Solution

The fourth proportional to 229,557.60, 316,698.78 and 132,743.64 is: 183,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,557.60 : 316,698.78 = 132,743.64 : x
  2. Step 2: Convert to fraction form
    229,557.60/316,698.78 = 132,743.64/x
  3. Step 3: Cross multiply
    229,557.60x = 316,698.78 × 132,743.64
  4. Step 4: Simplify right side
    229,557.60x = 42,039,748,840.76
  5. Step 5: Solve for x
    x = 42,039,748,840.76/229,557.60
  6. Step 6: Final answer
    x = 183,133.77

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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.