Home / 209,875.86-289,636.49-119,247.18

Finding the Fourth Proportional to 209,875.86, 289,636.49 and 119,247.18

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Solution

The fourth proportional to 209,875.86, 289,636.49 and 119,247.18 is: 164,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,875.86 : 289,636.49 = 119,247.18 : x
  2. Step 2: Convert to fraction form
    209,875.86/289,636.49 = 119,247.18/x
  3. Step 3: Cross multiply
    209,875.86x = 289,636.49 × 119,247.18
  4. Step 4: Simplify right side
    209,875.86x = 34,538,334,657.60
  5. Step 5: Solve for x
    x = 34,538,334,657.60/209,875.86
  6. Step 6: Final answer
    x = 164,565.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.