Home / 245,085.15-338,210.75-136,186.67

Finding the Fourth Proportional to 245,085.15, 338,210.75 and 136,186.67

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Solution

The fourth proportional to 245,085.15, 338,210.75 and 136,186.67 is: 187,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,085.15 : 338,210.75 = 136,186.67 : x
  2. Step 2: Convert to fraction form
    245,085.15/338,210.75 = 136,186.67/x
  3. Step 3: Cross multiply
    245,085.15x = 338,210.75 × 136,186.67
  4. Step 4: Simplify right side
    245,085.15x = 46,059,796,986.70
  5. Step 5: Solve for x
    x = 46,059,796,986.70/245,085.15
  6. Step 6: Final answer
    x = 187,933.85

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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.