Home / 305,117.04-457,563.24-105,386.16

Finding the Fourth Proportional to 305,117.04, 457,563.24 and 105,386.16

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Solution

The fourth proportional to 305,117.04, 457,563.24 and 105,386.16 is: 158,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,117.04 : 457,563.24 = 105,386.16 : x
  2. Step 2: Convert to fraction form
    305,117.04/457,563.24 = 105,386.16/x
  3. Step 3: Cross multiply
    305,117.04x = 457,563.24 × 105,386.16
  4. Step 4: Simplify right side
    305,117.04x = 48,220,832,820.76
  5. Step 5: Solve for x
    x = 48,220,832,820.76/305,117.04
  6. Step 6: Final answer
    x = 158,040.45

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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.