Home / 152,369.76-210,074.88-118,320.48

Finding the Fourth Proportional to 152,369.76, 210,074.88 and 118,320.48

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Solution

The fourth proportional to 152,369.76, 210,074.88 and 118,320.48 is: 163,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,369.76 : 210,074.88 = 118,320.48 : x
  2. Step 2: Convert to fraction form
    152,369.76/210,074.88 = 118,320.48/x
  3. Step 3: Cross multiply
    152,369.76x = 210,074.88 × 118,320.48
  4. Step 4: Simplify right side
    152,369.76x = 24,856,160,637.54
  5. Step 5: Solve for x
    x = 24,856,160,637.54/152,369.76
  6. Step 6: Final answer
    x = 163,130.54

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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.