Home / 131,182.02-181,014.54-74,594.58

Finding the Fourth Proportional to 131,182.02, 181,014.54 and 74,594.58

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Solution

The fourth proportional to 131,182.02, 181,014.54 and 74,594.58 is: 102,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,182.02 : 181,014.54 = 74,594.58 : x
  2. Step 2: Convert to fraction form
    131,182.02/181,014.54 = 74,594.58/x
  3. Step 3: Cross multiply
    131,182.02x = 181,014.54 × 74,594.58
  4. Step 4: Simplify right side
    131,182.02x = 13,502,703,585.19
  5. Step 5: Solve for x
    x = 13,502,703,585.19/131,182.02
  6. Step 6: Final answer
    x = 102,931.05

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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.