Home / 470,627.12-706,028.16-155,106.24

Finding the Fourth Proportional to 470,627.12, 706,028.16 and 155,106.24

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Solution

The fourth proportional to 470,627.12, 706,028.16 and 155,106.24 is: 232,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,627.12 : 706,028.16 = 155,106.24 : x
  2. Step 2: Convert to fraction form
    470,627.12/706,028.16 = 155,106.24/x
  3. Step 3: Cross multiply
    470,627.12x = 706,028.16 × 155,106.24
  4. Step 4: Simplify right side
    470,627.12x = 109,509,373,231.72
  5. Step 5: Solve for x
    x = 109,509,373,231.72/470,627.12
  6. Step 6: Final answer
    x = 232,688.19

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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.