Home / 229,973.16-317,373.44-128,005.16

Finding the Fourth Proportional to 229,973.16, 317,373.44 and 128,005.16

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Solution

The fourth proportional to 229,973.16, 317,373.44 and 128,005.16 is: 176,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,973.16 : 317,373.44 = 128,005.16 : x
  2. Step 2: Convert to fraction form
    229,973.16/317,373.44 = 128,005.16/x
  3. Step 3: Cross multiply
    229,973.16x = 317,373.44 × 128,005.16
  4. Step 4: Simplify right side
    229,973.16x = 40,625,437,966.95
  5. Step 5: Solve for x
    x = 40,625,437,966.95/229,973.16
  6. Step 6: Final answer
    x = 176,652.95

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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.