Home / 340,830.40-470,373.02-187,895.77

Finding the Fourth Proportional to 340,830.40, 470,373.02 and 187,895.77

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Solution

The fourth proportional to 340,830.40, 470,373.02 and 187,895.77 is: 259,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,830.40 : 470,373.02 = 187,895.77 : x
  2. Step 2: Convert to fraction form
    340,830.40/470,373.02 = 187,895.77/x
  3. Step 3: Cross multiply
    340,830.40x = 470,373.02 × 187,895.77
  4. Step 4: Simplify right side
    340,830.40x = 88,381,100,426.24
  5. Step 5: Solve for x
    x = 88,381,100,426.24/340,830.40
  6. Step 6: Final answer
    x = 259,311.08

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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.