Home / 340,283.01-510,385.62-90,984.45

Finding the Fourth Proportional to 340,283.01, 510,385.62 and 90,984.45

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Solution

The fourth proportional to 340,283.01, 510,385.62 and 90,984.45 is: 136,466.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,283.01 : 510,385.62 = 90,984.45 : x
  2. Step 2: Convert to fraction form
    340,283.01/510,385.62 = 90,984.45/x
  3. Step 3: Cross multiply
    340,283.01x = 510,385.62 × 90,984.45
  4. Step 4: Simplify right side
    340,283.01x = 46,437,154,923.61
  5. Step 5: Solve for x
    x = 46,437,154,923.61/340,283.01
  6. Step 6: Final answer
    x = 136,466.28

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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.