Home / 348,846.10-523,307.55-127,278.10

Finding the Fourth Proportional to 348,846.10, 523,307.55 and 127,278.10

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Solution

The fourth proportional to 348,846.10, 523,307.55 and 127,278.10 is: 190,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,846.10 : 523,307.55 = 127,278.10 : x
  2. Step 2: Convert to fraction form
    348,846.10/523,307.55 = 127,278.10/x
  3. Step 3: Cross multiply
    348,846.10x = 523,307.55 × 127,278.10
  4. Step 4: Simplify right side
    348,846.10x = 66,605,590,679.66
  5. Step 5: Solve for x
    x = 66,605,590,679.66/348,846.10
  6. Step 6: Final answer
    x = 190,931.16

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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.