Home / 196,151.95-270,681.51-111,285.01

Finding the Fourth Proportional to 196,151.95, 270,681.51 and 111,285.01

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Solution

The fourth proportional to 196,151.95, 270,681.51 and 111,285.01 is: 153,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,151.95 : 270,681.51 = 111,285.01 : x
  2. Step 2: Convert to fraction form
    196,151.95/270,681.51 = 111,285.01/x
  3. Step 3: Cross multiply
    196,151.95x = 270,681.51 × 111,285.01
  4. Step 4: Simplify right side
    196,151.95x = 30,122,794,547.17
  5. Step 5: Solve for x
    x = 30,122,794,547.17/196,151.95
  6. Step 6: Final answer
    x = 153,568.67

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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.