Home / 346,534.80-519,842.70-109,901.40

Finding the Fourth Proportional to 346,534.80, 519,842.70 and 109,901.40

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Solution

The fourth proportional to 346,534.80, 519,842.70 and 109,901.40 is: 164,864.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,534.80 : 519,842.70 = 109,901.40 : x
  2. Step 2: Convert to fraction form
    346,534.80/519,842.70 = 109,901.40/x
  3. Step 3: Cross multiply
    346,534.80x = 519,842.70 × 109,901.40
  4. Step 4: Simplify right side
    346,534.80x = 57,131,440,509.78
  5. Step 5: Solve for x
    x = 57,131,440,509.78/346,534.80
  6. Step 6: Final answer
    x = 164,864.94

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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.