Home / 303,510.06-455,225.10-93,130.38

Finding the Fourth Proportional to 303,510.06, 455,225.10 and 93,130.38

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Solution

The fourth proportional to 303,510.06, 455,225.10 and 93,130.38 is: 139,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,510.06 : 455,225.10 = 93,130.38 : x
  2. Step 2: Convert to fraction form
    303,510.06/455,225.10 = 93,130.38/x
  3. Step 3: Cross multiply
    303,510.06x = 455,225.10 × 93,130.38
  4. Step 4: Simplify right side
    303,510.06x = 42,395,286,548.54
  5. Step 5: Solve for x
    x = 42,395,286,548.54/303,510.06
  6. Step 6: Final answer
    x = 139,683.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.