Home / 350,988.01-526,547.63-140,642.35

Finding the Fourth Proportional to 350,988.01, 526,547.63 and 140,642.35

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Solution

The fourth proportional to 350,988.01, 526,547.63 and 140,642.35 is: 210,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,988.01 : 526,547.63 = 140,642.35 : x
  2. Step 2: Convert to fraction form
    350,988.01/526,547.63 = 140,642.35/x
  3. Step 3: Cross multiply
    350,988.01x = 526,547.63 × 140,642.35
  4. Step 4: Simplify right side
    350,988.01x = 74,054,896,288.81
  5. Step 5: Solve for x
    x = 74,054,896,288.81/350,988.01
  6. Step 6: Final answer
    x = 210,989.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.