Home / 170,397.40-235,148.42-98,818.94

Finding the Fourth Proportional to 170,397.40, 235,148.42 and 98,818.94

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Solution

The fourth proportional to 170,397.40, 235,148.42 and 98,818.94 is: 136,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,397.40 : 235,148.42 = 98,818.94 : x
  2. Step 2: Convert to fraction form
    170,397.40/235,148.42 = 98,818.94/x
  3. Step 3: Cross multiply
    170,397.40x = 235,148.42 × 98,818.94
  4. Step 4: Simplify right side
    170,397.40x = 23,237,117,607.07
  5. Step 5: Solve for x
    x = 23,237,117,607.07/170,397.40
  6. Step 6: Final answer
    x = 136,370.14

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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.