Home / 229,190.88-316,278.63-127,210.38

Finding the Fourth Proportional to 229,190.88, 316,278.63 and 127,210.38

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Solution

The fourth proportional to 229,190.88, 316,278.63 and 127,210.38 is: 175,547.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,190.88 : 316,278.63 = 127,210.38 : x
  2. Step 2: Convert to fraction form
    229,190.88/316,278.63 = 127,210.38/x
  3. Step 3: Cross multiply
    229,190.88x = 316,278.63 × 127,210.38
  4. Step 4: Simplify right side
    229,190.88x = 40,233,924,708.18
  5. Step 5: Solve for x
    x = 40,233,924,708.18/229,190.88
  6. Step 6: Final answer
    x = 175,547.67

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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.