Home / 152,047.02-209,824.36-84,979.02

Finding the Fourth Proportional to 152,047.02, 209,824.36 and 84,979.02

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Solution

The fourth proportional to 152,047.02, 209,824.36 and 84,979.02 is: 117,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,047.02 : 209,824.36 = 84,979.02 : x
  2. Step 2: Convert to fraction form
    152,047.02/209,824.36 = 84,979.02/x
  3. Step 3: Cross multiply
    152,047.02x = 209,824.36 × 84,979.02
  4. Step 4: Simplify right side
    152,047.02x = 17,830,668,484.93
  5. Step 5: Solve for x
    x = 17,830,668,484.93/152,047.02
  6. Step 6: Final answer
    x = 117,270.75

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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.