Home / 236,095.95-325,802.91-128,663.66

Finding the Fourth Proportional to 236,095.95, 325,802.91 and 128,663.66

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Solution

The fourth proportional to 236,095.95, 325,802.91 and 128,663.66 is: 177,550.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,095.95 : 325,802.91 = 128,663.66 : x
  2. Step 2: Convert to fraction form
    236,095.95/325,802.91 = 128,663.66/x
  3. Step 3: Cross multiply
    236,095.95x = 325,802.91 × 128,663.66
  4. Step 4: Simplify right side
    236,095.95x = 41,918,995,653.76
  5. Step 5: Solve for x
    x = 41,918,995,653.76/236,095.95
  6. Step 6: Final answer
    x = 177,550.68

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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.