Home / 236,113.46-325,827.08-128,681.18

Finding the Fourth Proportional to 236,113.46, 325,827.08 and 128,681.18

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Solution

The fourth proportional to 236,113.46, 325,827.08 and 128,681.18 is: 177,574.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,113.46 : 325,827.08 = 128,681.18 : x
  2. Step 2: Convert to fraction form
    236,113.46/325,827.08 = 128,681.18/x
  3. Step 3: Cross multiply
    236,113.46x = 325,827.08 × 128,681.18
  4. Step 4: Simplify right side
    236,113.46x = 41,927,814,266.63
  5. Step 5: Solve for x
    x = 41,927,814,266.63/236,113.46
  6. Step 6: Final answer
    x = 177,574.86

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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.