Home / 564,187.30-845,741.55-209,106.10

Finding the Fourth Proportional to 564,187.30, 845,741.55 and 209,106.10

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Solution

The fourth proportional to 564,187.30, 845,741.55 and 209,106.10 is: 313,459.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,187.30 : 845,741.55 = 209,106.10 : x
  2. Step 2: Convert to fraction form
    564,187.30/845,741.55 = 209,106.10/x
  3. Step 3: Cross multiply
    564,187.30x = 845,741.55 × 209,106.10
  4. Step 4: Simplify right side
    564,187.30x = 176,849,717,128.46
  5. Step 5: Solve for x
    x = 176,849,717,128.46/564,187.30
  6. Step 6: Final answer
    x = 313,459.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.