Home / 172,429.04-238,061.40-118,072.17

Finding the Fourth Proportional to 172,429.04, 238,061.40 and 118,072.17

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Solution

The fourth proportional to 172,429.04, 238,061.40 and 118,072.17 is: 163,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,429.04 : 238,061.40 = 118,072.17 : x
  2. Step 2: Convert to fraction form
    172,429.04/238,061.40 = 118,072.17/x
  3. Step 3: Cross multiply
    172,429.04x = 238,061.40 × 118,072.17
  4. Step 4: Simplify right side
    172,429.04x = 28,108,426,091.24
  5. Step 5: Solve for x
    x = 28,108,426,091.24/172,429.04
  6. Step 6: Final answer
    x = 163,014.46

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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.