Home / 463,345.40-695,018.10-163,823.60

Finding the Fourth Proportional to 463,345.40, 695,018.10 and 163,823.60

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Solution

The fourth proportional to 463,345.40, 695,018.10 and 163,823.60 is: 245,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,345.40 : 695,018.10 = 163,823.60 : x
  2. Step 2: Convert to fraction form
    463,345.40/695,018.10 = 163,823.60/x
  3. Step 3: Cross multiply
    463,345.40x = 695,018.10 × 163,823.60
  4. Step 4: Simplify right side
    463,345.40x = 113,860,367,207.16
  5. Step 5: Solve for x
    x = 113,860,367,207.16/463,345.40
  6. Step 6: Final answer
    x = 245,735.40

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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.