Home / 279,347.04-385,507.08-152,030.88

Finding the Fourth Proportional to 279,347.04, 385,507.08 and 152,030.88

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Solution

The fourth proportional to 279,347.04, 385,507.08 and 152,030.88 is: 209,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,347.04 : 385,507.08 = 152,030.88 : x
  2. Step 2: Convert to fraction form
    279,347.04/385,507.08 = 152,030.88/x
  3. Step 3: Cross multiply
    279,347.04x = 385,507.08 × 152,030.88
  4. Step 4: Simplify right side
    279,347.04x = 58,608,980,618.63
  5. Step 5: Solve for x
    x = 58,608,980,618.63/279,347.04
  6. Step 6: Final answer
    x = 209,807.06

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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.