Home / 210,656.16-290,710.08-125,757.36

Finding the Fourth Proportional to 210,656.16, 290,710.08 and 125,757.36

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Solution

The fourth proportional to 210,656.16, 290,710.08 and 125,757.36 is: 173,547.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,656.16 : 290,710.08 = 125,757.36 : x
  2. Step 2: Convert to fraction form
    210,656.16/290,710.08 = 125,757.36/x
  3. Step 3: Cross multiply
    210,656.16x = 290,710.08 × 125,757.36
  4. Step 4: Simplify right side
    210,656.16x = 36,558,932,186.19
  5. Step 5: Solve for x
    x = 36,558,932,186.19/210,656.16
  6. Step 6: Final answer
    x = 173,547.89

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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.