Home / 318,205-439,111.66-174,964.04

Finding the Fourth Proportional to 318,205, 439,111.66 and 174,964.04

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Solution

The fourth proportional to 318,205, 439,111.66 and 174,964.04 is: 241,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,205 : 439,111.66 = 174,964.04 : x
  2. Step 2: Convert to fraction form
    318,205/439,111.66 = 174,964.04/x
  3. Step 3: Cross multiply
    318,205x = 439,111.66 × 174,964.04
  4. Step 4: Simplify right side
    318,205x = 76,828,750,044.71
  5. Step 5: Solve for x
    x = 76,828,750,044.71/318,205
  6. Step 6: Final answer
    x = 241,444.19

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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.