Home / 172,866.39-238,397.09-118,497.57

Finding the Fourth Proportional to 172,866.39, 238,397.09 and 118,497.57

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Solution

The fourth proportional to 172,866.39, 238,397.09 and 118,497.57 is: 163,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,866.39 : 238,397.09 = 118,497.57 : x
  2. Step 2: Convert to fraction form
    172,866.39/238,397.09 = 118,497.57/x
  3. Step 3: Cross multiply
    172,866.39x = 238,397.09 × 118,497.57
  4. Step 4: Simplify right side
    172,866.39x = 28,249,475,267.58
  5. Step 5: Solve for x
    x = 28,249,475,267.58/172,866.39
  6. Step 6: Final answer
    x = 163,417.97

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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.