Home / 236,160.87-325,895.51-128,733

Finding the Fourth Proportional to 236,160.87, 325,895.51 and 128,733

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Solution

The fourth proportional to 236,160.87, 325,895.51 and 128,733 is: 177,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,160.87 : 325,895.51 = 128,733 : x
  2. Step 2: Convert to fraction form
    236,160.87/325,895.51 = 128,733/x
  3. Step 3: Cross multiply
    236,160.87x = 325,895.51 × 128,733
  4. Step 4: Simplify right side
    236,160.87x = 41,953,506,045.17
  5. Step 5: Solve for x
    x = 41,953,506,045.17/236,160.87
  6. Step 6: Final answer
    x = 177,648.00

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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.