Home / 317,440.02-438,079.86-174,205.18

Finding the Fourth Proportional to 317,440.02, 438,079.86 and 174,205.18

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Solution

The fourth proportional to 317,440.02, 438,079.86 and 174,205.18 is: 240,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,440.02 : 438,079.86 = 174,205.18 : x
  2. Step 2: Convert to fraction form
    317,440.02/438,079.86 = 174,205.18/x
  3. Step 3: Cross multiply
    317,440.02x = 438,079.86 × 174,205.18
  4. Step 4: Simplify right side
    317,440.02x = 76,315,780,865.67
  5. Step 5: Solve for x
    x = 76,315,780,865.67/317,440.02
  6. Step 6: Final answer
    x = 240,410.08

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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.