Home / 118,521.48-163,559.25-70,802.76

Finding the Fourth Proportional to 118,521.48, 163,559.25 and 70,802.76

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Solution

The fourth proportional to 118,521.48, 163,559.25 and 70,802.76 is: 97,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,521.48 : 163,559.25 = 70,802.76 : x
  2. Step 2: Convert to fraction form
    118,521.48/163,559.25 = 70,802.76/x
  3. Step 3: Cross multiply
    118,521.48x = 163,559.25 × 70,802.76
  4. Step 4: Simplify right side
    118,521.48x = 11,580,446,323.53
  5. Step 5: Solve for x
    x = 11,580,446,323.53/118,521.48
  6. Step 6: Final answer
    x = 97,707.57

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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.