Home / 236,130.81-325,860.77-128,700.93

Finding the Fourth Proportional to 236,130.81, 325,860.77 and 128,700.93

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Solution

The fourth proportional to 236,130.81, 325,860.77 and 128,700.93 is: 177,607.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,130.81 : 325,860.77 = 128,700.93 : x
  2. Step 2: Convert to fraction form
    236,130.81/325,860.77 = 128,700.93/x
  3. Step 3: Cross multiply
    236,130.81x = 325,860.77 × 128,700.93
  4. Step 4: Simplify right side
    236,130.81x = 41,938,583,506.01
  5. Step 5: Solve for x
    x = 41,938,583,506.01/236,130.81
  6. Step 6: Final answer
    x = 177,607.42

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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.