Home / 229,284.02-316,412.56-127,309.67

Finding the Fourth Proportional to 229,284.02, 316,412.56 and 127,309.67

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Solution

The fourth proportional to 229,284.02, 316,412.56 and 127,309.67 is: 175,687.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,284.02 : 316,412.56 = 127,309.67 : x
  2. Step 2: Convert to fraction form
    229,284.02/316,412.56 = 127,309.67/x
  3. Step 3: Cross multiply
    229,284.02x = 316,412.56 × 127,309.67
  4. Step 4: Simplify right side
    229,284.02x = 40,282,378,279.18
  5. Step 5: Solve for x
    x = 40,282,378,279.18/229,284.02
  6. Step 6: Final answer
    x = 175,687.68

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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.