Home / 317,824.02-438,722.10-190,475.10

Finding the Fourth Proportional to 317,824.02, 438,722.10 and 190,475.10

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Solution

The fourth proportional to 317,824.02, 438,722.10 and 190,475.10 is: 262,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,824.02 : 438,722.10 = 190,475.10 : x
  2. Step 2: Convert to fraction form
    317,824.02/438,722.10 = 190,475.10/x
  3. Step 3: Cross multiply
    317,824.02x = 438,722.10 × 190,475.10
  4. Step 4: Simplify right side
    317,824.02x = 83,565,635,869.71
  5. Step 5: Solve for x
    x = 83,565,635,869.71/317,824.02
  6. Step 6: Final answer
    x = 262,930.52

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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.