Home / 158,009.12-218,056.02-94,335.02

Finding the Fourth Proportional to 158,009.12, 218,056.02 and 94,335.02

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Solution

The fourth proportional to 158,009.12, 218,056.02 and 94,335.02 is: 130,184.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,009.12 : 218,056.02 = 94,335.02 : x
  2. Step 2: Convert to fraction form
    158,009.12/218,056.02 = 94,335.02/x
  3. Step 3: Cross multiply
    158,009.12x = 218,056.02 × 94,335.02
  4. Step 4: Simplify right side
    158,009.12x = 20,570,319,007.82
  5. Step 5: Solve for x
    x = 20,570,319,007.82/158,009.12
  6. Step 6: Final answer
    x = 130,184.38

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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.