Home / 205,063.18-282,953.21-136,970.93

Finding the Fourth Proportional to 205,063.18, 282,953.21 and 136,970.93

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Solution

The fourth proportional to 205,063.18, 282,953.21 and 136,970.93 is: 188,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,063.18 : 282,953.21 = 136,970.93 : x
  2. Step 2: Convert to fraction form
    205,063.18/282,953.21 = 136,970.93/x
  3. Step 3: Cross multiply
    205,063.18x = 282,953.21 × 136,970.93
  4. Step 4: Simplify right side
    205,063.18x = 38,756,364,342.71
  5. Step 5: Solve for x
    x = 38,756,364,342.71/205,063.18
  6. Step 6: Final answer
    x = 188,997.19

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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.