Home / 147,038.88-202,829.76-90,410.16

Finding the Fourth Proportional to 147,038.88, 202,829.76 and 90,410.16

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Solution

The fourth proportional to 147,038.88, 202,829.76 and 90,410.16 is: 124,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,038.88 : 202,829.76 = 90,410.16 : x
  2. Step 2: Convert to fraction form
    147,038.88/202,829.76 = 90,410.16/x
  3. Step 3: Cross multiply
    147,038.88x = 202,829.76 × 90,410.16
  4. Step 4: Simplify right side
    147,038.88x = 18,337,871,054.36
  5. Step 5: Solve for x
    x = 18,337,871,054.36/147,038.88
  6. Step 6: Final answer
    x = 124,714.44

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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.