Home / 385,014.04-577,619.48-148,293.16

Finding the Fourth Proportional to 385,014.04, 577,619.48 and 148,293.16

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Solution

The fourth proportional to 385,014.04, 577,619.48 and 148,293.16 is: 222,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,014.04 : 577,619.48 = 148,293.16 : x
  2. Step 2: Convert to fraction form
    385,014.04/577,619.48 = 148,293.16/x
  3. Step 3: Cross multiply
    385,014.04x = 577,619.48 × 148,293.16
  4. Step 4: Simplify right side
    385,014.04x = 85,657,017,966.76
  5. Step 5: Solve for x
    x = 85,657,017,966.76/385,014.04
  6. Step 6: Final answer
    x = 222,477.65

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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.