Home / 236,397.24-326,236.40-128,973.16

Finding the Fourth Proportional to 236,397.24, 326,236.40 and 128,973.16

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Solution

The fourth proportional to 236,397.24, 326,236.40 and 128,973.16 is: 177,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,397.24 : 326,236.40 = 128,973.16 : x
  2. Step 2: Convert to fraction form
    236,397.24/326,236.40 = 128,973.16/x
  3. Step 3: Cross multiply
    236,397.24x = 326,236.40 × 128,973.16
  4. Step 4: Simplify right side
    236,397.24x = 42,075,739,415.02
  5. Step 5: Solve for x
    x = 42,075,739,415.02/236,397.24
  6. Step 6: Final answer
    x = 177,987.44

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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.