Home / 191,931.17-264,917.72-111,384.63

Finding the Fourth Proportional to 191,931.17, 264,917.72 and 111,384.63

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Solution

The fourth proportional to 191,931.17, 264,917.72 and 111,384.63 is: 153,741.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931.17 : 264,917.72 = 111,384.63 : x
  2. Step 2: Convert to fraction form
    191,931.17/264,917.72 = 111,384.63/x
  3. Step 3: Cross multiply
    191,931.17x = 264,917.72 × 111,384.63
  4. Step 4: Simplify right side
    191,931.17x = 29,507,762,501.11
  5. Step 5: Solve for x
    x = 29,507,762,501.11/191,931.17
  6. Step 6: Final answer
    x = 153,741.38

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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.