Home / 170,897.32-235,820.58-99,292.36

Finding the Fourth Proportional to 170,897.32, 235,820.58 and 99,292.36

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Solution

The fourth proportional to 170,897.32, 235,820.58 and 99,292.36 is: 137,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,897.32 : 235,820.58 = 99,292.36 : x
  2. Step 2: Convert to fraction form
    170,897.32/235,820.58 = 99,292.36/x
  3. Step 3: Cross multiply
    170,897.32x = 235,820.58 × 99,292.36
  4. Step 4: Simplify right side
    170,897.32x = 23,415,181,924.77
  5. Step 5: Solve for x
    x = 23,415,181,924.77/170,897.32
  6. Step 6: Final answer
    x = 137,013.16

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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.