Home / 229,681.02-344,567.52-128,622.79

Finding the Fourth Proportional to 229,681.02, 344,567.52 and 128,622.79

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Solution

The fourth proportional to 229,681.02, 344,567.52 and 128,622.79 is: 192,959.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,681.02 : 344,567.52 = 128,622.79 : x
  2. Step 2: Convert to fraction form
    229,681.02/344,567.52 = 128,622.79/x
  3. Step 3: Cross multiply
    229,681.02x = 344,567.52 × 128,622.79
  4. Step 4: Simplify right side
    229,681.02x = 44,319,233,399.83
  5. Step 5: Solve for x
    x = 44,319,233,399.83/229,681.02
  6. Step 6: Final answer
    x = 192,959.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.