Home / 374,569.75-561,854.63-111,913.75

Finding the Fourth Proportional to 374,569.75, 561,854.63 and 111,913.75

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Solution

The fourth proportional to 374,569.75, 561,854.63 and 111,913.75 is: 167,870.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,569.75 : 561,854.63 = 111,913.75 : x
  2. Step 2: Convert to fraction form
    374,569.75/561,854.63 = 111,913.75/x
  3. Step 3: Cross multiply
    374,569.75x = 561,854.63 × 111,913.75
  4. Step 4: Simplify right side
    374,569.75x = 62,879,258,598.16
  5. Step 5: Solve for x
    x = 62,879,258,598.16/374,569.75
  6. Step 6: Final answer
    x = 167,870.63

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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.