Home / 253,528.08-380,263.32-66,554.16

Finding the Fourth Proportional to 253,528.08, 380,263.32 and 66,554.16

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Solution

The fourth proportional to 253,528.08, 380,263.32 and 66,554.16 is: 99,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,528.08 : 380,263.32 = 66,554.16 : x
  2. Step 2: Convert to fraction form
    253,528.08/380,263.32 = 66,554.16/x
  3. Step 3: Cross multiply
    253,528.08x = 380,263.32 × 66,554.16
  4. Step 4: Simplify right side
    253,528.08x = 25,308,105,841.41
  5. Step 5: Solve for x
    x = 25,308,105,841.41/253,528.08
  6. Step 6: Final answer
    x = 99,823.68

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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.