Home / 223,088.32-307,774.08-127,543.68

Finding the Fourth Proportional to 223,088.32, 307,774.08 and 127,543.68

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Solution

The fourth proportional to 223,088.32, 307,774.08 and 127,543.68 is: 175,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,088.32 : 307,774.08 = 127,543.68 : x
  2. Step 2: Convert to fraction form
    223,088.32/307,774.08 = 127,543.68/x
  3. Step 3: Cross multiply
    223,088.32x = 307,774.08 × 127,543.68
  4. Step 4: Simplify right side
    223,088.32x = 39,254,638,771.81
  5. Step 5: Solve for x
    x = 39,254,638,771.81/223,088.32
  6. Step 6: Final answer
    x = 175,960.08

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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.