Home / 196,312.05-270,911.93-111,430.53

Finding the Fourth Proportional to 196,312.05, 270,911.93 and 111,430.53

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Solution

The fourth proportional to 196,312.05, 270,911.93 and 111,430.53 is: 153,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,312.05 : 270,911.93 = 111,430.53 : x
  2. Step 2: Convert to fraction form
    196,312.05/270,911.93 = 111,430.53/x
  3. Step 3: Cross multiply
    196,312.05x = 270,911.93 × 111,430.53
  4. Step 4: Simplify right side
    196,312.05x = 30,187,859,386.07
  5. Step 5: Solve for x
    x = 30,187,859,386.07/196,312.05
  6. Step 6: Final answer
    x = 153,774.87

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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.