Home / 229,261.49-316,368.45-127,280.36

Finding the Fourth Proportional to 229,261.49, 316,368.45 and 127,280.36

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Solution

The fourth proportional to 229,261.49, 316,368.45 and 127,280.36 is: 175,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,261.49 : 316,368.45 = 127,280.36 : x
  2. Step 2: Convert to fraction form
    229,261.49/316,368.45 = 127,280.36/x
  3. Step 3: Cross multiply
    229,261.49x = 316,368.45 × 127,280.36
  4. Step 4: Simplify right side
    229,261.49x = 40,267,490,999.56
  5. Step 5: Solve for x
    x = 40,267,490,999.56/229,261.49
  6. Step 6: Final answer
    x = 175,640.01

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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.