Home / 260,104.04-390,182.02-70,567.38

Finding the Fourth Proportional to 260,104.04, 390,182.02 and 70,567.38

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Solution

The fourth proportional to 260,104.04, 390,182.02 and 70,567.38 is: 105,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,104.04 : 390,182.02 = 70,567.38 : x
  2. Step 2: Convert to fraction form
    260,104.04/390,182.02 = 70,567.38/x
  3. Step 3: Cross multiply
    260,104.04x = 390,182.02 × 70,567.38
  4. Step 4: Simplify right side
    260,104.04x = 27,534,122,874.51
  5. Step 5: Solve for x
    x = 27,534,122,874.51/260,104.04
  6. Step 6: Final answer
    x = 105,858.11

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1.5x scale

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.