Home / 161,857.02-223,374.51-93,897.21

Finding the Fourth Proportional to 161,857.02, 223,374.51 and 93,897.21

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Solution

The fourth proportional to 161,857.02, 223,374.51 and 93,897.21 is: 129,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,857.02 : 223,374.51 = 93,897.21 : x
  2. Step 2: Convert to fraction form
    161,857.02/223,374.51 = 93,897.21/x
  3. Step 3: Cross multiply
    161,857.02x = 223,374.51 × 93,897.21
  4. Step 4: Simplify right side
    161,857.02x = 20,974,243,274.12
  5. Step 5: Solve for x
    x = 20,974,243,274.12/161,857.02
  6. Step 6: Final answer
    x = 129,585.01

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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.